Wolfgang Beilfuss;Klaus Weber;Ralf Gradke;Gisela Hahn
发明人:
Wolfgang Beilfuss,Gisela Hahn,Klaus Weber,Ralf Gradke
申请号:
US12353108
公开号:
US08197833B2
申请日:
2009.01.13
申请国别(地区):
US
年份:
2012
代理人:
摘要:
The invention relates to a liquid concentrate for preserving cosmetic products which comprises a combination of carboxylic acid salts chosen from the salts of benzoic acid, propionic acid, salicylic acid, sorbic acid, 4-hydroxybenzoic acid, dehydracetic acid, formic acid or 10-undecylenic acid and alcohols chosen from 2-phenoxyethanol, benzyl alcohol, phenethyl alcohol, 1-phenoxypropan-2-ol, 3-(4-chlorophenoxy)-1,2-propanediol, chlorobutanol or 2,4-dichlorobenzyl alcohol in a solvent, where the active ingredient content is greater than 45% by weight.